56 lines
1.8 KiB
Elixir
56 lines
1.8 KiB
Elixir
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defmodule RPNCalculatorTest do
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use ExUnit.Case
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@tag task_id: 1
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test "calculate! returns what the operation does: :ok atom" do
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assert RPNCalculator.calculate!([], fn _ -> :ok end) == :ok
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end
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@tag task_id: 1
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test "calculate! returns what the operation does: an ok string" do
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assert RPNCalculator.calculate!([], fn _ -> "ok" end) == "ok"
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end
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@tag task_id: 1
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test "let it crash" do
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assert_raise(RuntimeError, fn ->
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RPNCalculator.calculate!([], fn _ -> raise "test error" end)
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end)
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end
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@tag task_id: 2
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test "calculate returns the result of the operation (a string) wrapped in an :ok tuple" do
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assert RPNCalculator.calculate([], fn _ -> "operation completed" end) ==
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{:ok, "operation completed"}
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end
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@tag task_id: 2
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test "calculate returns the result of the operation (an atom) wrapped in an :ok tuple" do
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assert RPNCalculator.calculate([], fn _ -> :success end) ==
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{:ok, :success}
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end
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@tag task_id: 2
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test "rescue the crash, no message" do
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assert RPNCalculator.calculate([], fn _ -> raise "test error" end) == :error
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end
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@tag task_id: 3
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test "calculate_verbose returns the result of the operation (a string) wrapped in an :ok tuple" do
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assert RPNCalculator.calculate_verbose([], fn _ -> "operation completed" end) ==
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{:ok, "operation completed"}
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end
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@tag task_id: 3
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test "calculate_verbose returns the result of the operation (an atom) wrapped in an :ok tuple" do
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assert RPNCalculator.calculate_verbose([], fn _ -> :success end) ==
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{:ok, :success}
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end
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@tag task_id: 3
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test "rescue the crash, get error tuple with message" do
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assert RPNCalculator.calculate_verbose([], fn _ -> raise ArgumentError, "test error" end) ==
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{:error, "test error"}
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end
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end
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